PS4 - no display/sound

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  • meciu
    Member
    • Nov 2016
    • 37
    • Germany

    #1

    PS4 - no display/sound

    Hi,
    I've obtained broken PS4 (CUH-1116A),
    tested hdmi connector and filters and they are looking fine, currently I'm waiting for MN86471A chip to arrive but I need to ask a stupid question..

    These two ?diodes? have a continuity across itself and about 1k ohm to ground.

    Is that normal?
    Attached Files
    Last edited by meciu; 05-23-2018, 05:01 AM.
  • stj
    Great Sage 齊天大聖
    • Dec 2009
    • 30956
    • Albion

    #2
    Re: PS4 - no display/sound

    those look like inductors, they should have a very low resistance if they are.

    Comment

    • ngth82
      Badcaps Veteran
      • Jul 2015
      • 541
      • USA

      #3
      Re: PS4 - no display/sound

      The two locations look like a ferrite bead. I don't have a PS4 taken apart next to me at hte moment, but the configuration for the one on the left looks like a pi-filter followed by a row of caps on the analog filtered rail.
      -Thomas
      I'm a hardware engineer focused on networking equipment for my day job. I void warranties and fix consumer electronics for fun.

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